Diaphragm Pump, Air Intake Connection Size 1/4 in, Air Intake Connection Type NPT, Check Seat Material Polypropylene, Diaphragm Material Viton, Feet of Head (Maximum) 15 ft, Flow Rate (Maximum) 47 gpm, Manifold Connection Single Port, Media Discharge Connection Size 1 in, Media Discharge Connection Type NPTF, Media Intake Connection Size 1 in, Media Intake Connection Type NPTF, Operating Pressure (Maximum) 120 psi, Priming Self-Priming, Pump Assembly Type Bolt, Solid Diameter (Maximum) 0.12 in